1, Quzhou Kaishun Waterproof and Drainage Material Co., Ltd.? Hdpe double-walled corrugated pipe? 2.5 yuan/piece? (/kloc-from 0/00)
2. Shanghai Pingyu Pipe Industry Co., Ltd.? Supply sewage HRPP double-wall reinforced corrugated pipe
40 yuan/meter? (100-199m)
3. Hebei Kaichuang Composite Pipeline Products Co., Ltd.? Supply hdpe double-wall corrugated pipe manufacturers to produce customized high-density polyethylene corrugated drainage pipes.
20 yuan/meter? (1-999m)
3. Suzhou Industrial Park Yijing Machinery Factory? HDPE sewage pipe is easy to supply. double-walled corrugated pipe HDPE sewage pipe? Factory direct production of PE pipes
320 yuan/piece? (6-59 pieces)
4. Hengshui Jiayou FRP Technology Co., Ltd.? Double wall plastic corrugated pipe? HDPE double-wall corrugated pipe 300mm? Good sealing performance
30 yuan/meter? ( 10 1- 1999m)
Introduction of performance characteristics:
trait
1, with unique product structure and strong compression resistance;
2, the inner wall is smooth and the excess flow is large;
3. The product has the advantages of convenient connection, well-sealed interface, corrosion resistance, zero leakage, no scaling and avoidance of secondary pollution, and is an ideal "green pipeline";
4. The product has good flexibility and can adapt to the uneven settlement of soil;
5, the service life is long, and the underground use can reach more than 50 years;
6. The product is light in weight and convenient to construct, which can reduce the construction cost and shorten the construction period;
7. At the speed of 15 ft/s, the wear resistance is 3 ~ 5 times higher than that of ordinary or fine-grained steel pipes.
craftsmanship
Full-line digital centralized control
Double-machine extrusion, double-layer shunt
Full vacuum belt feeding
Random flaring one-step forming
trait
HDPE double-walled corrugated pipe has excellent chemical stability, aging resistance and environmental stress cracking resistance. The HDPE double-walled corrugated pipe produced by it belongs to hose. Its main performance is as follows:
1, strong external pressure resistance.
The outer wall is annular corrugated structure, which greatly enhances the circumferential stiffness of the pipeline, thus enhancing the ability of the pipeline to resist soil load. In this performance, HDPE double-walled corrugated pipe has obvious advantages compared with other pipes.
2, the project cost is low
Under the same load condition, HDPE double-walled corrugated pipe can meet the requirements only by thin wall. Therefore, compared with the solid wall pipe with the same material specification, it can save about half of the raw materials, so the cost of HDPE double-wall corrugated pipe is also lower. This is another outstanding feature of the pipe.
3, the construction is convenient
Because HDPE double-wall corrugated pipe is light in weight and convenient to carry and connect, the construction speed is fast and the maintenance is simple. In the case of tight schedule and construction
In the case of poor conditions, its advantages are more obvious.
4. Low friction coefficient and large flow.
The HDPE double-wall corrugated pipe made of HDPE can pass more flow than other pipes with the same caliber. That is to say, under the same flow requirements, HDPE double-walled corrugated pipe with relatively small diameter can be used.
5. Good low temperature resistance and impact resistance.
The brittleness temperature of HDPE double-walled corrugated pipe is -70℃. Generally, there is no need to take special protective measures during construction at low temperature (above-30℃), which is convenient for winter construction, and HDPE double-walled corrugated pipe has good impact resistance.
6. Good chemical stability
Because HDPE molecules have no polarity, its chemical stability is excellent. Except for a few strong oxidants, most chemical media have no destructive effect on it. The soil, electricity, acid and alkali factors in the general use environment will not damage the pipeline, breed bacteria and scale, and its circulation area will not decrease with the increase of operation time.
7. Long service life
The service life of HDPE double-walled corrugated pipe can reach more than 50 years without sunlight and ultraviolet rays.
8, excellent wear resistance
Germany has proved by experiments that the wear resistance of HDPE is even several times higher than that of steel pipe.
9. Appropriate flexibility
A certain length of HDPE double-walled corrugated pipe can be slightly bent in the axial direction, which is not affected by the uneven settlement of the ground to a certain extent, and can be directly laid in a slightly straight groove without pipe fittings, and so on.
superiority
1, unique structure, strong external pressure resistance and impact resistance, annular flexibility, smooth inner wall and low friction, and pipes with the same inner diameter can pass through a large flow; Socket interface, flexible connection, convenient connection, high reliability and no leakage.
2. Light weight, fast construction and low cost.
3. Buried service life is over 50 years.
4. Polyethylene is a hydrocarbon polymer with nonpolar molecules, which is resistant to acid and alkali corrosion.
5. The raw materials are green materials, which are non-toxic, non-corrosive and non-scaling, and can be recycled.
6. Wide temperature range, the pipeline does not break at -60℃, and the maximum temperature of the conveying medium is 60℃.
7. The comprehensive cost of the project is basically the same as that of concrete, and the operation cost is low.
8. There is no need to lay the foundation when the soil quality is good.
The above is the recommendation of hdpe double-wall corrugated pipe manufacturers and a brief analysis of its performance characteristics. It should be noted here that hdpe double-walled corrugated pipe should be placed in a dry warehouse at room temperature. Straight pipes shall be laid flat, and the cutting and stacking height shall not exceed 2m. Perforated pipes can be laid flat without heavy pressure. The most important thing is that hdpe double-walled corrugated pipes should not be put together with toxic and harmful substances, away from fire sources, and fire-forbidden signs should be posted at the stacking position.
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